Glass-cutting machine.



J. WAGNER.

GLASS CUTTING MACHINE.

APPLICATION FILED 11111.27. 1915.

Patented M13 16, 1916.

2 SHEETSSHEET 1.

WITNESSES: IN l/E IV TOR ATTORNEY J. WAGNER.

GLASS CUTTING MACHINE.

APPLICATION FILED JAN-27, 1915.

1 1 83, 1 44. Patented May 16, 1916.

2 SHEETSSHEET 2- WITNESSES: INVE/V TOR I a W mzzyz. W

ball-s Specification of Letters Patent.

Jonsrn waemnt, or NEW YORK, N. Y.

emss-cu'rrme macnrnn.

Application filed January 27, 1915. SeriaI No. 4,785.

To all whom it may concern:

Be it known that I, JOESPH WAGNER, a citizen of the United States of America, residing in the borough of Queens, .1n the city of New York, county of Queens, and State of New York, have invented certain new and useful Improvements in Glass Cutting Machines, of which the followlng 1s a specification, reference being had to the.

accompanying drawings. v

My invention relates to improvements n glass-cutting machines; and an ob ect of tins invention is to provide a glass-cutting achine which will be simple in constructlon, comparatively cheap in manufacture and efii'cient in operation and use.

Another object of this invention is to provide a glass-cutting machine which will be suitable for cutting glass into either circular shapes or oval shapes.

In the drawings illustrating the principle of this invention and the best mode now known to me of applying that principle, Figure 1 is a section on the line 1-1 of Fig. 2; Fig. 2 is an end view looking in the direction of the arrow A of Fig. 1; Fig. 3 is a section on the line 1HHl of Fig. 1; and Fig. 4c is a detail showing one of the crank-arms in perspective.

To the work-bench a there is screwed an inverted L-shaped bracket support 6 into one end of the horizontal arm 0 of which there is screwed the lower end of. a post d the upper end d of which is reduced and carries a ball-shaped member d". The other end of the horizontal arm 0 is formed with a slot or opening a; and above this opening there rests on the arm 0 a slide e which is held in place by gibs f, f which are fastened to the arm a by means ofscrews g. The slide e is kept in line and held from rattling between the gibs f, f by means of screws 9'. g This slide 6 carries a tubular shaft-bearing it which extends downwardly throu h the slot 0 and in which there is rotata ly-mounted a vertical cutter-shaft a. To the upper end of the latter there is fastened a laterally extending arm 7' which passes through an eye is formed in one end of a crank-arm k fast upon the lower end of a vertical operating shaft m to the upper end of which there is secured a crank-arm n provided with a knob or handle 0. Upon the o eratingshaft m there is mounteda liaped member d", which is siimlar 1n all respects to the ball-shaped member 03' Patented May 16, 1916. i

and these'ball-shaped members (1", d are connected by means of an arm p which is 1 bifurcated at both of its ends p", p". bifurcated end p is pivotally fastened by means of screws 9* to the ball-shaped memher (2", while the other bifurcated end p The is similarly fastened by screws 9 to the ball-shaped member d". As is best .shown in Figs. 2 and'3, the ball-shaped members (5, d* are formed with flattened sides 1'.

The arm 9' is held in the arm is by means of a thumb-screw j. Between the arm 3' and the slide e there is interposed a helical spring a which is wound around the upper end of the vertical cutter-shaft i and serves to restore that shaft to its initial position, when the arm n i' relieved from downward pressure. I Upon t e lower end of the vertical shaft e' there is mounted a crank-armk'f which is similar to the crank-arm is hereinbefore referred to; and through an eye in this crank-arm is" there passes an arm t in one end 16' of which there is mounted a diamond-holder u the lower end of which carries the glass-cutting diamond e. The arm t is held in its adjusted position in the arm 7c" by means of a thumb-screw j.

The operation of my new glass cutting machine will be readily understood from'the foregoing and may be briefly described'as follows: In order to cut circular shapes, the thumb-screw 7" is loosened and the vertical shaft 7; and the slide 6 are moved until the axes of the vertical shafts m, 2', lie in prolongation of' each other. To determine the size of the circular shape, the thumb-scr w j" is loosened and the arm f is moved laterally in the eye 70'. After the adjustments have been made, the thumb-screws j, j are tightened. The operator then seizes the knob or handle 0 and presses downwardly against the tension of the coil-spring 8," until the glass-cutting diamond o is brought against the face of the piece of glass resting on the work-table a; whereupon the oper-. ator swings the arm n and thereby turns the vertical shafts m, i, whereby the diamond '0 is made to tracea circle upon the glass lying on the work-table a. After the glass has been cut, the operator relieves the arm n from the pressure exerted through the knob 0 and the parts are restored to their initial position by the'tension of the coilspring 8. When it is desired to cut an oval shape, the vertical shaft 2 is moved until its axis no longer lies in prolongation with the axis of the vertical shaft m, whereupon the shape out by the moving glass-cutting diamond 'v will'be oval-like.

I claim:

1. A glass-cutting machine inciuding a support; a cutter-shaft; a glass-cutting device fastened thereto; an operating shaft; a laterally-extending arm carried by the firstnamed shaft and fastened to the last-named shaft; and a downwardly swinging arm which is pivotally fastened to said support and carries the last-named shaft.

2. A glass-cutting machine including a support;-a slide mounted on said support; a shaft-bearing carried by said slide; a cuttor-shaft rotatably mounted'in said shaftbearing; a glass-cutting device carried by said shaft; a rotary operating shaft; and mechanism connecting said shafts.

3. A glass-cutting machine comprising a support; a shaft-bearing slidably mounted thereon; a rotary cutter-shaft mounted in said shaft-bearing; a glass-cutting device mounted on said cutter-shaft; a swinging arm fastened to said support; a spring for restoring said cutter-shaft to its normal position; an operating shaft mounted in said swinging arm; and mechanism for connecting said shafts.

4. A glass-cutting machine comprising a support; a shaft-bearing slidably mounted thereon; a rotary cutter-shaft mounted in said shaft-bearing; a glass-cutting device mounted on said cutter-shaft; a rotary operating shaft; and mechanism connecting said shafts, said mechanism connecting said shafts and permitting the same to be moved messes out of and into axial alinement with each other.

5. A glass-cutting'machine comprising a support; a shaft-bearing slidably mounted thereon; a rotary cutter-shaft mounted in said shaft-bearing; a glass-cutting device mounted on said cutter-shaft; a swinging arm pivotally fastened to said support; an

operatingi shaft carried by said swinging arm; an mechanism connecting the shafts and permitting the same to be moved out of and into axial alinement with each other.

6. A glass-cutting machine comprising a support; a pair of shafts movable with respect to each other and into and out of axial alinement; a downwardly swinging arm which'connects one of said shafts to said support, the other of said shafts being mounted therein; and a glass-cutting device carried bv the other of said shafts.

7 A glass-cutting machine comprising a support; a pair of shafts movable with respect to each other and into and out of axial alinement; a downwardly swinging arm which connects one of said shafts to said support, the other of said shafts being mounted therein; a glass-cutting device carried by the other of said shafts; and mechanism for restoring said shafts to their initial position.

Signed at the borough of Manhattan, New York City, N. Y., this twenty-third day of January, A. 1)., 1915, in the presence of the two undersigned witnesses.

JOESPH WAGNER.

Witnesses:

JAMES HAMILTON, M. E. WOARDELL. 

